Cpu-1 core isolation using tickless linux kernel

Pandey__Pankaj — Mon, 19 Feb 2018 15:26:55 GMT

Hi,

I am working on core-isolation for 64-bit-x86 target by running linux-4.9 kernel. I am able to achieve 100% cpu-1 idle using "cset shield -k on -f -c 1" but when I check "cat /proc/interrupt" status, observed that all interrupts increment got stopped except "Local timer interrupts" and "Function call interrupts" on cpu-1.

Is that expected that both "Local timer interrupts" and "Function call interrupts" is not getting stop in full tickless kernel when cpu-1 in core isolation ? if yes than why ? and if it is possible to stop these interrupts on x86 than please let me know what changes we need ?

Any pointer is highly appreciated.

TIA !!

Regards,

Pankaj Pandey

Evidently, the question doesn

TimP — Tue, 20 Feb 2018 11:03:08 GMT

Evidently, the question doesn't pertain to Intel Xeon phi. Perhaps you could rephrase or present an example and make it topical for another forum.

topic Cpu-1 core isolation using tickless linux kernel in Software Archive

Cpu-1 core isolation using tickless linux kernel

Evidently, the question doesn